80891640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{224699}}^1$

素因数の和:224716

約数の個数: 48

約数和(自身を含む): 262899000

約数和(自身を除く): 182007360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 224699, 449398, 674097, 898796, 1123495, 1348194, 1797592, 2022291, 2246990, 2696388, 3370485, 4044582, 4493980, 5392776, 6740970, 8089164, 8987960, 10111455, 13481940, 16178328, 20222910, 26963880, 40445820, 80891640]

約数ペア:

[(1, 80891640), (2, 40445820), (3, 26963880), (4, 20222910), (5, 16178328), (6, 13481940), (8, 10111455), (9, 8987960), (10, 8089164), (12, 6740970), (15, 5392776), (18, 4493980), (20, 4044582), (24, 3370485), (30, 2696388), (36, 2246990), (40, 2022291), (45, 1797592), (60, 1348194), (72, 1123495), (90, 898796), (120, 674097), (180, 449398), (360, 224699)]